CN112610162B - Drilling device with stone breaking cleaning and protecting functions for mine blasting - Google Patents
Drilling device with stone breaking cleaning and protecting functions for mine blasting Download PDFInfo
- Publication number
- CN112610162B CN112610162B CN202011346917.9A CN202011346917A CN112610162B CN 112610162 B CN112610162 B CN 112610162B CN 202011346917 A CN202011346917 A CN 202011346917A CN 112610162 B CN112610162 B CN 112610162B
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- Prior art keywords
- drilling
- supporting
- drilling shaft
- mine blasting
- supporting frame
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- 238000005553 drilling Methods 0.000 title claims abstract description 70
- 239000004575 stone Substances 0.000 title claims abstract description 39
- 238000005422 blasting Methods 0.000 title claims abstract description 26
- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 28
- 230000008602 contraction Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000002360 explosive Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 102220569345 Deoxynucleotidyltransferase terminal-interacting protein 1_Q20A_mutation Human genes 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
A drilling device with functions of stone breaking and cleaning and protection for mine blasting belongs to the technical field of mine exploitation. The invention comprises a support frame, a movable plate arranged on the support frame, a driving device arranged on the movable plate, a drilling shaft and a drill bit arranged at the output end of the driving device, a protection plate arranged at the front side of the drilling shaft, baffle plates arranged at the left end, the right end and the upper end of the front side of the protection plate, and a bearing drawer extending and contracting in the support frame to the front side; the protection plate is provided with a through hole which is matched with the drilling shaft and the drill bit. The invention has simple structure and convenient operation, can effectively avoid the scattering of broken stone, simultaneously automatically collect broken stone and improve the construction efficiency.
Description
Technical Field
The invention relates to the technical field of mining, in particular to a drilling device with broken stone cleaning and protecting functions for mine blasting.
Background
Mines include coal mines, metal ores, non-metal ores, building material ores, chemical ores, and the like. Mine scale (also known as throughput) is often expressed in terms of annual or daily production. Annual yield is the number of ores produced annually in a mine. The size of the yield is divided into large, medium and small 3 types. The size of the mine scale is adapted to the economic and reasonable service life of the mine, and only then, the capital cost can be saved and the cost can be reduced. Blasting (blasting) is a technique that utilizes the compression, loosening, destruction, throwing and killing effects of explosives in air, water, earth and stone media or objects to achieve the intended purpose. When explosive package or charge explodes in soil and stone medium or structure, the soil and stone medium or structure is compressed, deformed, destroyed, loosened and thrown, and the explosive package or charge is mainly used for soil and stone engineering, and the demolition of metal buildings and structures, etc.
The mining is carried out in the mining process of mine by adopting the blasting mode frequently, and the blasting position needs to be drilled in the blasting process so as to be convenient for placing the explosive, broken stone is easy to splash in the drilling process, potential safety hazards are caused for constructors, and the subsequent collection of broken stone is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides the drilling device for mine blasting, which has the functions of cleaning and protecting broken stones, is simple in structure and convenient to operate, can effectively avoid the broken stone splashing, can automatically collect the broken stone, and improves the construction efficiency.
The invention aims at realizing the following technical scheme:
a drilling device with functions of stone breaking and cleaning and protecting for mine blasting comprises a supporting frame, a moving plate arranged on the supporting frame, a driving device arranged on the moving plate, a drilling shaft and a drill bit arranged at the output end of the driving device, a protection plate arranged at the front side of the drilling shaft, baffle plates arranged at the left end, the right end and the upper end of the front side of the protection plate, and a bearing drawer extending and contracting in the supporting frame to the front side; and the protection plate is provided with a through hole which is matched with the drilling shaft and the drill bit.
When the automatic collecting device is used, the baffle plate and the receiving drawer are propped against the rock wall, broken stone is prevented from splashing outwards through the baffle plate and the baffle plate in the drilling process, and meanwhile, broken stone falls into the receiving drawer along the space surrounded by the baffle plate, the baffle plate and the rock wall, so that automatic collection is completed.
Preferably, the side of the supporting frame is provided with a plurality of groups of supporting mechanisms, and the supporting mechanisms comprise supporting sleeves, sliding rods stretching out and drawing back at the lower ends of the supporting sleeves, foot pads arranged at the lower ends of the sliding rods and threaded handles stretching out and drawing back on the side walls of the supporting sleeves. The telescopic adjusting structure of the supporting mechanism can effectively adapt to various ground conditions, ensures the stability of supporting, and is used: firstly, the support frame is horizontally lifted to the vicinity of the rock wall, after the baffle plate is contacted with the rock wall at the drilling position, the threaded handles of the plurality of groups of support mechanisms are sequentially loosened, the sliding rod slides downwards until the foot pad is abutted on the ground, and then the threaded handles are tightly adjusted, so that the threaded handles are tightly abutted against the sliding rod, and the positioning is completed.
Preferably, the front side of the driving device is provided with a supporting seat, the drilling shaft is rotatably connected with the supporting seat, and the drilling shaft is connected with the output end of the driving device through a coupler. The support base can stably support the drilling shaft, and meanwhile, the support base is matched with the coupler to ensure the stable rotation of the drilling shaft.
Preferably, a telescopic mechanism is arranged between the protection plate and the supporting seat, and comprises a fixed pipe, an extension pipe which stretches into the fixed pipe, a telescopic rod which stretches into the extension pipe, and an elastic piece arranged between the fixed pipe, the extension pipe and the extension pipe. The telescopic mechanism can effectively ensure that the baffle is tightly propped against the rock wall all the time, so that broken stone splashing is avoided, and meanwhile, normal drilling of the drilling shaft is not influenced.
As the invention is preferable, a hydraulic rod is connected between the outer wall of the fixed pipe and the outer wall of the extension pipe, and the hydraulic rod can ensure the stability of elasticity of the telescopic mechanism, namely the stability of the telescopic mechanism to the thrust of the protection plate.
As the invention is preferable, one end of the telescopic rod in the extension pipe is provided with a contraction groove, a spring is arranged between the contraction groove and the extension pipe, and the spring can improve the reaction speed of the telescopic mechanism to vibration generated in the drilling process, so that a larger gap between the baffle plate and the rock wall is avoided.
Preferably, the telescopic mechanism has two groups arranged on both sides of the drilling shaft so as to ensure the stability of the protection plate support.
Preferably, the sliding blocks are arranged on two sides of the moving plate, and the supporting frame is provided with a sliding rail matched with the sliding blocks so as to guide the moving plate and ensure the smoothness of the movement of the moving plate.
Preferably, the first handshaking is arranged on two sides of the receiving drawer, the second handshaking is arranged above the sliding block, and the third handshaking is arranged on two sides of the supporting frame. Wherein, the first handshake is convenient for pushing and pulling the carrying drawer; the second handshake facilitates pushing the moving plate to control the forward and backward movement of the drilling shaft; the third hand grip then facilitates lifting the entire device and moving to the target location.
Preferably, the driving device is a motor, and the supporting frame is also provided with a mobile power supply to provide convenience for drilling operation.
The invention has the advantages that:
1. according to the invention, through the matched use of the support frame, the slide rail, the moving plate, the slide block, the second handshake, the motor, the switch, the support seat, the drilling shaft, the drill bit and the mobile power supply, the drill bit can conveniently open holes in drilling positions, broken stone generated by drilling can leave drill holes from the spiral material withdrawal groove through the matched use of the drilling shaft, the material withdrawal groove and the drill bit, the receiving drawer can be conveniently pulled out from the receiving box through the matched use of the receiving box, the receiving drawer and the first handshake, and the receiving drawer is attached to rock walls in the drilling positions, so that broken stone generated in the drilling process can be conveniently collected, and therefore, the drilling device for mine blasting with broken stone cleaning and protecting functions can conveniently clean broken stone storage functions in drilling holes, and is more convenient for operators to use;
2. according to the invention, through the cooperation of the protection plate, the baffle, the sliding sleeve, the telescopic mechanism, the fixed pipe, the extension pipe, the telescopic rod, the spring, the hydraulic rod and the shrinkage groove, the protection plate and the baffle are always abutted against the rock wall of the drilling position, so that shielding protection is formed on the drilling position, and broken stone splashing is reduced, so that the drilling device for mine blasting with broken stone cleaning and protection functions has a protection function;
3. according to the drilling device for mine blasting, which has the functions of stone breaking and cleaning and protecting, the supporting frame, the supporting mechanism, the supporting sleeve, the sliding rod, the foot pad and the threaded handle are adopted, so that the supporting frame can be conveniently and stably placed outside a position where drilling needs to be carried out through the supporting mechanism, and the drilling device for mine blasting, which has the functions of cleaning broken stones and protecting, is convenient to place.
Drawings
FIG. 1 is a schematic diagram of a drilling apparatus for mine blasting with stone clearing and protection functions according to the present invention;
FIG. 2 is a cross-sectional view of a drilling apparatus for mine blasting having a stone clearing and protecting function according to the present invention;
FIG. 3 is a cross-sectional view of a telescoping mechanism of a drilling rig for mine blasting with stone clearing and protection according to the present invention;
FIG. 4 is a cross-sectional view of a support mechanism of a drilling apparatus for mine blasting with stone clearing and protection according to the present invention;
in the figure: 1-a supporting frame; 2-a storage box; 3-receiving a drawer; 4-sliding rails; 5-moving plate; 6-sliding blocks; 7-a first handshake; 8-second handshake; 9-a motor; 10-switching; 11-a supporting seat; 12-drilling a shaft; 13-spiral material returning groove; 14-a drill bit; 15-sliding sleeve; 16-protecting plates; 17-baffle; 18-a telescopic mechanism; 19-fixing the tube; 20-an extension tube; 21-a telescopic rod; 22-springs; 23-a hydraulic rod; 24-a shrink tank; 25-a supporting mechanism; 26-supporting the sleeve; 27-a sliding rod; 28-foot pads; 29-a threaded shank; 30-a third handshake; 31-mobile power supply.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1-4, a drilling device for mine blasting with rubble clearance and safeguard function, including support frame 1, the inboard fixedly connected with receiver 2 of lower part of support frame 1, receiver 2 inner wall sliding connection have with its looks adaptation accept drawer 3, accept drawer 3's one end can stretch out receiver 2, accept drawer 3's stretching end both sides outer wall symmetry fixedly connected with first handshake 7. The top surface symmetry fixedly connected with slide rail 4 of support frame 1 is equipped with movable plate 5 between the slide rail 4, the both sides symmetry fixedly connected with of movable plate 5 and slide 6 of slide rail 4 looks adaptation, slide 6 slip cap establishes in the outside of slide rail 4, the top surface fixedly connected with second of slide 6 is handshaking 8, the top surface one side fixedly connected with motor 9 of movable plate 5, the top surface fixed mounting of motor 9 has switch 10, the output of motor 9 is equipped with supporting seat 11, supporting seat 11 rotation is connected with probing axle 12, the one end of probing axle 12 passes supporting seat 11 and passes through shaft coupling and the output shaft fixed connection of motor 9, spiral material returning groove 13 has been seted up to the outer wall of probing axle 12, the other end fixedly connected with drill bit 14 of probing axle 12, the outside slip cap of probing axle 12 is equipped with the slip sleeve 15 rather than looks adaptation, both ends and upper end fixedly connected with baffle 17 about the front side of slip sleeve 15 guard plate 16. The telescopic mechanism 18 is arranged between the protection plate 16 and the supporting seat 11, the telescopic mechanism is provided with two groups symmetrically arranged on two sides of the drilling shaft 12, the telescopic mechanism 18 comprises a fixed pipe 19, an extension pipe 20, a telescopic rod 21, a spring 22, a hydraulic rod 23 and a shrinkage groove 24, one end of the fixed pipe 19 is fixedly connected to the outer wall of the supporting seat 11, the extension pipe 20 is arranged in the fixed pipe 19, the outer wall of the extension pipe 20 is in sliding connection with the inner wall of the fixed pipe 19, the hydraulic rod 23 is arranged above the fixed pipe 19, the fixed end of the hydraulic rod 23 is fixedly connected with the outer wall of the fixed pipe 19, the telescopic end of the hydraulic rod 23 is fixedly connected with the outer wall of the end part of the extension pipe 20, one end of the telescopic rod 21 is fixedly connected with the outer wall of the protection plate 16, the other end of the telescopic rod 21 is inserted into the extension pipe 20, the outer wall of the telescopic rod 21 is in sliding connection with the inner wall of the extension pipe 20, the spring 22 is arranged in the shrinkage groove 24 and the extension pipe 20, one end of the spring 22 is fixedly connected with the inner wall of the end part of the extension pipe 20, and the other end of the spring 22 is fixedly connected with the groove 24, and the groove bottom of the telescopic rod is provided with the groove bottom of the telescopic groove 24, and the hydraulic rod 23 is provided with the model Q20A. The four corners of support frame 1 all are equipped with supporting mechanism 25, supporting mechanism 25 is including supporting sleeve 26, slide bar 27, pad foot 28 and screw thread handle 29, supporting sleeve 26 fixed connection is on the outer wall of support frame 1, the upper end of slide bar 27 upwards inserts from the lower extreme of supporting sleeve 26, the outer wall of slide bar 27 and the inner wall sliding connection of supporting sleeve 26, the lower extreme and the pad foot 28 fixed connection of slide bar 27, screw thread handle 29 threaded connection is on the bottom outer wall of supporting sleeve 26, the one end of screw thread handle 29 passes supporting sleeve 26 and touches with the outer wall of slide bar 27. The outer walls of the two sides of the support frame 1 are symmetrically and fixedly connected with third handles 30, the bottom of the support frame 1 is fixedly connected with a mobile power supply 31, and the motor 9 and the switch 10 are electrically connected with the mobile power supply 31 through electric wires.
The working principle of the invention is as follows:
when the support frame is used, firstly, an operator lifts the support frame 1 to a position where drilling needs to be performed through the third handshake 30, the drill bit 14 is opposite to a drilling point, meanwhile, the baffle 17 at the front side of the protection plate 16 is contacted with a rock wall at the drilling position, then the threaded handles 29 of the four support mechanisms are sequentially rotated, the fixed relation between the support sleeve 26 and the sliding rod 27 is released, the sliding rod 27 slides downwards along the inner wall of the support sleeve 26 under the action of gravity until the foot pads 28 at the lower end of the sliding rod 27 are abutted against the ground, and then the threaded handles 29 are reversely rotated, so that the support sleeve 26 and the sliding rod 27 are mutually fixed, and the support frame 1 is stably supported on the ground by the support mechanism 25. Then, the carrying drawer 3 is pulled through the first handshake 7, so that the carrying drawer 3 slides out from the storage box 2, and the front end of the carrying drawer 3 is contacted with the rock wall of the drilling position, thereby facilitating the collection of drilling crushed stones. Then, the motor 9 is controlled to start rotating through the switch 10, the motor 9 drives the drilling shaft 12 to rotate, the drilling shaft 12 drives the drill bit 14 to drill the rock wall, at the moment, an operator pushes the sliding block 6 to slide on the sliding rail 4 through the second handshake 8, the sliding block 6 drives the moving plate 5 to start moving, the moving plate 5 drives the motor and drives the drilling shaft 12 to move towards the rock wall through the supporting seat 11, at the moment, the drill bit 14 starts to gradually go deep into the rock wall to drill, meanwhile, the baffle 17 is propped against the rock wall, so that the protection plate 16 presses the telescopic rod 21, meanwhile, the telescopic rod 21 presses the extension pipe 20 through the spring 22, the extension pipe 20 starts to press the hydraulic rod 23, so that the spring 22 is contracted into the contraction groove 24, the hydraulic rod 23 is contracted into the extension pipe 20, the extension pipe 20 is contracted into the fixed pipe 19, the total length of the fixed pipe 19, the extension pipe 20 and the telescopic rod 21 is shortened, the baffle 17 is always stuck on the rock wall in the drilling process of the drill bit 14, meanwhile, the broken stone generated by the drill bit 14 is extruded from the spiral withdrawal groove 13 on the drilling shaft 12 to the drilling shaft 12, and falls into the protection plate receiving space 16 along with the gravity, and is discharged from the suction groove 16 to the side of the protection plate is completely collected.
The foregoing is merely a preferred embodiment of the present invention, which is based on one implementation of the overall concept of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. The drilling device for mine blasting with the functions of stone breaking cleaning and protection is characterized by comprising a supporting frame, a moving plate arranged on the supporting frame, a driving device arranged on the moving plate, a drilling shaft and a drill bit arranged at the output end of the driving device, a protection plate arranged at the front side of the drilling shaft, baffles arranged at the left end, the right end and the upper end of the front side of the protection plate, a bearing drawer extending forwards in the supporting frame, and a spiral material returning groove arranged on the outer wall of the drilling shaft; the protection plate is provided with a through hole which is matched with the drilling shaft and the drill bit;
a telescopic mechanism is arranged between the protection plate and the supporting seat and comprises a fixed pipe, an extension pipe which stretches into the fixed pipe and a telescopic rod which stretches into the extension pipe; a hydraulic rod is connected between the outer wall of the fixed pipe and the outer wall of the extension pipe; one end of the telescopic rod, which is positioned in the extension pipe, is provided with a contraction groove, and a spring is arranged between the contraction groove and the extension pipe; the telescopic mechanism is provided with two groups which are respectively arranged at two sides of the drilling shaft.
2. The drilling device for mine blasting with stone clearing and protecting functions according to claim 1, wherein a plurality of groups of supporting mechanisms are arranged on the side of the supporting frame, and each supporting mechanism comprises a supporting sleeve, a sliding rod extending and contracting at the lower end of the supporting sleeve, a foot pad arranged at the lower end of the sliding rod and a threaded handle extending and contracting on the side wall of the supporting sleeve.
3. The drilling device for mine blasting with crushed stone cleaning and protecting functions according to claim 1, wherein the front side of the driving device is provided with a supporting seat, the drilling shaft is rotatably connected to the supporting seat, and the drilling shaft is connected with the output end of the driving device through a coupling.
4. The drilling device for mine blasting with crushed stone cleaning and protecting functions according to claim 1, wherein sliding blocks are arranged on two sides of the moving plate, and sliding rails matched with the sliding blocks are arranged on the supporting frame.
5. The drilling device with stone clearing and protecting functions for mine blasting according to claim 4, wherein the first handshaking is arranged on two sides of the carrying drawer, the second handshaking is arranged above the sliding block, and the third handshaking is arranged on two sides of the supporting frame.
6. The drilling device for mine blasting with crushed stone cleaning and protecting functions according to claim 1, wherein the driving device is a motor, and the supporting frame is further provided with a mobile power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011346917.9A CN112610162B (en) | 2020-11-26 | 2020-11-26 | Drilling device with stone breaking cleaning and protecting functions for mine blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011346917.9A CN112610162B (en) | 2020-11-26 | 2020-11-26 | Drilling device with stone breaking cleaning and protecting functions for mine blasting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112610162A CN112610162A (en) | 2021-04-06 |
| CN112610162B true CN112610162B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011346917.9A Active CN112610162B (en) | 2020-11-26 | 2020-11-26 | Drilling device with stone breaking cleaning and protecting functions for mine blasting |
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| CN (1) | CN112610162B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179775A (en) * | 2018-01-04 | 2018-06-19 | 黄远明 | A kind of municipal road pavement drainage construction machine that eco-concrete slope surface can be dug |
| CN208518669U (en) * | 2018-06-04 | 2019-02-19 | 黑龙江民航建筑安装工程有限公司 | A kind of underpass excavating equipment drilling machine |
| CN210315738U (en) * | 2019-07-04 | 2020-04-14 | 山东铭德机械有限公司 | High-frequency crushing structure for excavator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2760476B2 (en) * | 1994-05-19 | 1998-05-28 | 株式会社大林組 | Rock tunnel excavation method |
| CN107127896A (en) * | 2017-06-30 | 2017-09-05 | 唐山钢铁集团有限责任公司 | A kind of housing construction wall body hole machine |
| CN109025814A (en) * | 2018-07-30 | 2018-12-18 | 潘旭康 | A kind of working in driving face of coal mine prospecting by boring protective device |
| CN210336461U (en) * | 2019-05-23 | 2020-04-17 | 西峡县三泰矿业有限公司 | Ore perforating device |
-
2020
- 2020-11-26 CN CN202011346917.9A patent/CN112610162B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179775A (en) * | 2018-01-04 | 2018-06-19 | 黄远明 | A kind of municipal road pavement drainage construction machine that eco-concrete slope surface can be dug |
| CN208518669U (en) * | 2018-06-04 | 2019-02-19 | 黑龙江民航建筑安装工程有限公司 | A kind of underpass excavating equipment drilling machine |
| CN210315738U (en) * | 2019-07-04 | 2020-04-14 | 山东铭德机械有限公司 | High-frequency crushing structure for excavator |
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| CN112610162A (en) | 2021-04-06 |
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